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Retirement Plans (Notes)
6 Months Ended
Jun. 29, 2024
Retirement Benefits [Abstract]  
Retirement Plans RETIREMENT PLANS
The following is a summary of net pension and Supplemental Executive Retirement Plan (“SERP”) expense recognized by the Company.
 Quarter EndedYear-To-Date Ended
(In millions)June 29,
2024
July 1,
2023
June 29,
2024
July 1,
2023
Service cost pertaining to benefits earned during the period
$0.7 $0.8 $1.4 $1.6 
Interest cost on projected benefit obligations
4.5 4.5 8.9 8.9 
Expected return on pension assets
(4.9)(4.7)(9.8)(9.3)
Net amortization loss
(0.4)(0.2)(0.8)(0.4)
Net pension expense (income)$(0.1)$0.4 $(0.3)$0.8 
The non-service cost components of net pension expense is recorded in the Other expense (income), net line item on the consolidated condensed statements of operations and comprehensive income.